Mesh Import Formats

[aty02]

Hi,

I am having a problem with aspect ratio... I am getting many high aspect ratios even after repairing them with the mesh repair wizard. Moreover, there are too many of them so I can't fix them manually.

So I am trying to mesh my part with another software and then import it to moldflow.

Is there a COMMON format for importing a mesh from another software ?

I tried ANSYS and Netgen, but there is no common mesh format between them and moldflow !!

Any solution ????

[mtrujil1]

Hi aty02 !!

You can try with other software to mesh part and the export the mesh with a compatible extension with moldflow,

for example im using ANSA and after review the quality mesh (Aspec Ratio, Interference, Overlaps, etc) i export the mesh as  .nas (NASTRAN)!

please see below the ext availables to be imported in MF

[mtrujil1]

Please see the image

[maxmarautodesk]

Hi aty02,

I cannot give you an extensive answer. But from one of my posts I know that harald.goetz here in the community also uses Netgen for meshing and he seems to me to be a quite advanced user. According to his post, he used the .bdf and .nas file format for the transfer of a surface mesh into Moldflow.

You can find the post I am refering to here:

http://forums.autodesk.com/t5/simulation-moldflow-insight/problems-with-quot-precise-match-quot-whil...

Hope this helps, regards,
Max

[mppkumar]

Hi

You can mesh in 3rd party software and export the file as .nas and can be imported into moldflow without any trouble

Thanks

M P P Kumar

[sabarinathan1021]

Hi,

You can use Hypermesh to mesh your part, you have to create your mesh using NASTRAN Profile in Hypermesh.

You have to select Minimal Normalized after meshing / before correcting mesh.

This setup will give you the aspect ratio values would be closer to our Moldflow mesh. Always export as *.nas format while exporting from Hypermesh.

Please find the attached ppt for your reference how to do these changes in HM. Thank you

Regards

Sabarinathan. S

L&T Technology Services

Chennai.